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'So hopefully it all stays the same way and I'll be back on the horse and causing more trouble.'

Speaking about the traumatic experience, the TV star confessed it was a 'huge shock' to him and took nearly four weeks for the news to sink in.

'It was a huge shock but I didn't really find out about it until a few days later because when it all happened, I actually slipped into a coma first,' he recalled.

'So by the time I'd woken up two days later, the tumor had been removed and I was then waiting on biopsy's to determine whether the tumor was malignant or benign.'

'So it didn't really sink in for a good three four weeks,' the former X-Factor star added.

Moving forward: 'I've got a little way to go now but everything's looking good and is on the mend' Johnny told host Ryan Phelan and Kylie Gillies

Emergency surgery: In August last year, Johnny announced that he had undergone surgery at Sydney's Royal Prince Alfred Hospital to remove a brain tumor

In August last year, Johnny announced that he had undergone surgery at Sydney's Royal Prince Alfred Hospital to remove a brain tumor.

He had 95 per cent of the tumor removed and was given 27 staples in his head- taking to Instagram to reveal a glimpse at the aftermath of the operation.

'So I have the news. It was a bit of a shock and I've got an interesting journey ahead and a bit of a battle. I am starting aggressive treatment for the next few months to fight the diagnosis of brain cancer. Please stay positive for me and ill try to update you guys on my progress,' he wrote online at the time.

Traumatic: He had 95 per cent of the tumor removed and was given 27 staples in his head

He finished his radiotherapy treatment at Chris O'Brien's Life House in October, but admitted at the time he still had a long road ahead.

In December, Johnny uploaded a comparison photo to reveal how time had healed his scars.

He's now joining Home And Away star Lynne McGranger as the new ambassadors of Hello Fresh.